There are three types of Niacin supplements - Regular niacin, slow release and Inositol Hexanicotinate. The second is linked to liver toxicity and failure. So that one's out. The first is the regular plain old niacin that most people have been taking for a long time but it has side effects of flushing and itching that can be very uncomfortable to the point that almost half of all people told to take it stop taking it because of these sides. The third one is called 'flush free'. And that's the kind I got. I took a 500mg capsule last night the way the NP told me to, that is, taking an 81mg aspirin 30 minutes prior to the Niacin. No flushing or any other sides were noted. However, when I attempt to research the efficacy of the no-flush type of niacin I find little info. Plenty of debate it seems but little info regarding how effective it is at the cholesterol lowering stuff.

Does anyone have or can anyone point me to any reputable information about this form of Niacin?